Stone Giant [Alpha Edition] Amonkhet Prerelease Promos sacrifice this creature

sacrifice this creature

Set: Worldwake Type: Instant Rarity: Mythic Cost: {X}{R}{R} Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell

Set: Antiquities Type: Artifact Creature — Shapeshifter Rarity: Rare Cost: {6} {0}: Urza's Avenger gets -1/-1 and gains your choice of banding

At the beginning of the next end step

Stone Giant [Alpha Edition] Amonkhet Prerelease Promos sacrifice this creatureSet: Alpha Edition Type: Creature Giant Rarity: Uncommon Cost: {2}{R}{R} {T}: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step. What goes up, must come down.